This lesson will focus on the provision of quality public education as a human right, and highlight the current financing challenges to providing education for all.

UNESCO: EDUCATION

For example, while we focus on lesson time, your site could focus on number of messages sent or pageviews.

FORBES: 3 Metrics That Really Matter for Your Startup

Teachers focus on small steps and try to develop lesson plans that take into consideration each child's strengths, weaknesses, likes and dislikes.

NPR: Why Can't Doctors Diagnose Autism?

If we have learned only one lesson when it comes to managing adversity in sports, it always should focus on asking the right questions and identifying the key issues instead of addressing the obvious.

FORBES: Connect

The lesson for social media professionals and practitioners: leave the spit-pixel wars to others, and focus on doing what you do and driving business results.

FORBES: The Top Ten Social Media Lessons of 2011: Part II